The ornamental design for a transformable electrical plugdevice, as shown and described.
FIG. 1 is an isometric view of a transformable electrical plug device in one configuration showing our new design.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a right side elevational view thereof.
FIG. 5 is a left side elevational view thereof.
FIG. 6 is a bottom plan view thereof.
FIG. 7 is a top plan view thereof.
FIG. 8 is an isometric view of the transformable electrical plug device in another configuration.
FIG. 9 is a front elevational view thereof.
FIG. 10 is a rear elevational view thereof.
FIG. 11 is a right side elevational view thereof
FIG. 12 is a left side elevational view thereof.
FIG. 13 is a bottom plan view thereof; and,
FIG. 14 is a top plan view thereof.
Shading lines shown in the drawings are intended to represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration. The broken lines shown represent unclaimed subject matter and form no part of the claimed design.